CN206962060U - A kind of electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, it includes insulating body, some conducting terminals being fixed in the insulating body, the snap close piece of butt connector and the shielding casing being coated on outside the insulating body can be latched, the insulating body has the receiving space for being available for butt-joint socket connector to insert, the conducting terminal includes the first end subgroup and Second terminal group set along short transverse in two rows, the first end subgroup is corresponding with Second terminal group and reverse arrangement, the first end subgroup is respectively provided with a pair of ground terminals and a pair of power source terminals with Second terminal group, often arranging the terminal group also has a pair of additional terminals between the ground terminal and adjacent power terminal respectively, it is upper with the snap close piece respectively along two corresponding additional terminals of short transverse in two row's terminal groups, lower surface abuts against.The additional terminal of the electric connector is contacted with snap close piece to strengthen the electromagnetism interference performance of electric connector.

Description

A kind of electric connector

Technical field

The utility model is related to connector technique field, more particularly to it is a kind of can just anti-plug electric connector.

Background technology

With the rapid development of electronics industry science and technology, the volume of electronic product is even more along more and more frivolous, short and small Trend development, this also requires that the spare part size of electronic product is less and less, and connector industry be even more stand in the breach.

Due to requiring the smaller of USB Type-C connectors of new generation, this causes, production more preferable to mechanical property requirements Product design difficulty is higher.In order to towards more frivolous, more very thin equipment, and ensure the reliability of product structure, major producer is confused Confusingly release corresponding structure design.

A kind of existing USB Type-C as shown in Chinese utility model patent bulletin CN 204516988U patents are inserted Head connector, by being provided with metallic shield piece and mylar film between its insulating body and shielding casing to eliminate outside two row's terminals The signal interference of side, right this kind of mode processing procedure and assembling are complex.

Therefore, it is necessary to a kind of improved electric connector is provided to overcome above mentioned problem.

Utility model content

The purpose of this utility model is to provide a kind of electric connector with good effectiveness.

To realize above-mentioned purpose of utility model, the utility model provides a kind of electric connector, and it includes insulating body, consolidated Due to some conducting terminals in the insulating body, the snap close piece of butt connector can be latched and it is coated on the insulating body Outer shielding casing, the insulating body have the receiving space for being available for butt-joint socket connector to insert, the conducting end attached bag The first end subgroup and Second terminal group set along short transverse in two rows is included, the first end subgroup is relative with Second terminal group Should and reversely it arrange, the first end subgroup is respectively provided with a pair of ground terminals and a pair of power ends with Second terminal group Son, often arranging the terminal group also has a pair of additional terminals between the ground terminal and adjacent power terminal respectively, Upper and lower surface in two row's terminal groups along two corresponding additional terminals of short transverse respectively with the snap close piece abuts against.

As further improvement of the utility model, each conducting terminal has the bullet for protruding into the receiving space Property contact arm, the holding parts being fixed in the insulating body and the afterbody to be extended back from holding parts, the contact arm be in two Row is relatively arranged on the upper side and lower side of receiving space.

As further improvement of the utility model, the afterbody of the additional terminal extends back and without departing from insulating body Rear end face, the afterbody of remaining conducting terminal extends back and exceeds the rear end face.

As further improvement of the utility model, the top or bottom of the afterbody of the conducting terminal are towards relative tail Portion is protruded to form clamping part, and the clamping part is set close to the rear end of the conducting terminal, wherein being oppositely arranged along short transverse The additional terminal the opposite projection of clamping part so that the snap close piece is sandwiched therebetween.

As further improvement of the utility model, the snap close piece includes the lock that fixed part, self-fixed department extend forward Buckle arm and self-fixed department extend back for being welded in the leg on circuit board, and the lock catch arm is in pairs from the fixed part two Side, which extends in the same direction, to be formed, and extension forms a pair of linking arms, each linking arm and its phase forward on front side of the fixed part of the snap close piece It is spaced apart between adjacent lock catch arm.

As further improvement of the utility model, it is corresponding additional that each linking arm is folded in a pair be oppositely arranged Between the clamping part of the opposite projection of terminal, and formed machinery and electric connection.

As further improvement of the utility model, the insulating body has main part, be arranged at the main part before The docking section of side and it is provided with positioned at the main part rear and outstanding installation portion, in the installation portion recessed from back to front Fall into the storage tank formed, the storage tank extends in transverse direction, and its it is anterior along the vertical direction on height compared with rear portion height Degree is small.

As further improvement of the utility model, the fixed part inserts and is positioned at the front portion of the storage tank, institute State the rear portion power circuit board insertion of storage tank and spacing.

As further improvement of the utility model, the roof or bottom wall of the shielding casing are provided with a pair of slits, described Installation portion has accepting hole from bottom wall to inner side depression that set from its top, and from its roof or the insertion of bottom wall projection laterally Portion, the insertion site on the outside of corresponding accepting hole, insert and be contained in corresponding slit from back to front by the insertion section.

As further improvement of the utility model, a pair of additional terminals in the first end subgroup respectively with the second end Corresponding additional terminal in subgroup is connected as one, and the head of the additional terminal is extended forwardly beyond with other conducting ends in row The head of son.

The beneficial effects of the utility model are：Electric connector, which has, in the utility model is located at ground terminal and power supply terminal Between additional terminal, the additional terminal contacts with snap close piece to strengthen the electromagnetism interference performance of electric connector.

Brief description of the drawings

Fig. 1 is the three-dimensional assembly diagram of the utility model electric connector；

Fig. 2 is the view at another visual angle of electric connector shown in Fig. 1；

Fig. 3 is the optical cable of electric connector shown in Fig. 1；

Fig. 4 is the further exploded view of electric connector shown in Fig. 3；

Fig. 5 is the view at another visual angle of electric connector shown in Fig. 4；

Fig. 6 is the three-dimensional exploded view after electric connector removes shielding casing shown in Fig. 1；

Fig. 7 is the main view after electric connector shown in Fig. 4 removes shielding casing, insulating body and a wherein ground terminal Figure；

Fig. 8 is the rearview of electric connector shown in Fig. 1.

Embodiment

The utility model is described in detail below with reference to each embodiment shown in the drawings.But these embodiments The utility model is not intended to limit, structure, method or the work(that one of ordinary skill in the art is made according to these embodiments Conversion on energy is all contained in the scope of protection of the utility model.

It refer to shown in Fig. 1 to Fig. 8, for the preferred embodiment of the utility model electric connector 100, the electric connector 100 include insulating body 1, some conducting terminals 2 being fixed in the insulating body 1, snap close piece 3, are coated on the insulation Shielding casing 4 outside body 1 and the circuit board being electrically connected with positioned at the rear of insulating body 1 and with conducting terminal 2（It is not shown）.

Please be shown in Fig. 2 to Fig. 7, the insulating body 1 has main part 11, is arranged at the docking section 12 in the front of main part 11 And positioned at the rear of main part 11 and outstanding installation portion 13, wherein the main part 11 is in ellipse on the whole with docking section 12 Circular cylindrical shape is set, the receiving space 120 that the inner side of the docking section 12 is set formed with forwards open, for butt-joint socket company Device is connect to insert forward or backwards.The roof and inside bottom wall of the insulating body 1 are respectively equipped with some terminal containing slots 10, described The rear end face 130 of terminal containing slot 10 from the insulating body 1 extends forwardly into the inner side of docking section 12 and and receiving space 120 are connected.In the present embodiment, the part terminal containing slot 10 set on the roof of the insulating body 1 with it is right on bottom wall The terminal containing slot 10 answered is connected along short transverse, the terminal containing slot corresponding with bottom wall of another part terminal containing slot 10 It is independent of one another along short transverse between 10, namely do not connect.

The docking section 12 has roof 121 and the bottom wall 122 that is oppositely arranged with the roof 121, the roof 121 and Bottom wall 122 has a pair of slits 123 for being run through along short transverse respectively, a pair of slits 123 of roof 121 respectively with bottom wall A pair of slits 123 on 122 are oppositely arranged and alignd along short transverse, the structure of a pair of slits 123 being oppositely arranged along short transverse Into one group, the docking section 12 has two groups of slits 123 of the both sides on the horizontal direction, each group of slit 123 with it Terminal containing slot 10 is connected corresponding to side and rear.

The installation portion 13 has the accepting hole 131 set from its top, bottom wall to inner side depression and pushed up from it, bottom wall point The not insertion section 132 of projection laterally, the accepting hole 131 is positioned at the corresponding inner side of insertion section 132, in the present embodiment, institute State the top of installation portion 13, bottom wall is respectively provided with a pair of accepting holes 131 and a pair of insertion sections 132.The installation portion 13 Projection is located at the rear end of the installation portion 13 formed with projection 133, the projection 133 under the mediad of bottom wall.The installation portion The storage tank 134 for the formation that is recessed from back to front is additionally provided with 13, the storage tank 134 extends in transverse direction, and it is received with terminal Tank 10 is connected, and its it is anterior along the vertical direction on height it is small compared with the height at rear portion.

Both sides on the horizontal direction of insulating body 1 are respectively equipped with fluting 14, a pair of flutings 14 respectively laterally to Outer opening, and the rear end face 130 of self-insulating body 1 extends forwardly into docking section 12, and in the both sides of docking section 12 and institute State the cross connection of receiving space 120.

It refer to shown in Fig. 3 to Fig. 8, the conducting terminal 2 includes the first end subgroup set along short transverse in two rows 21 and Second terminal group 22, the first end subgroup 21 is corresponding with Second terminal group 22 and reverse arrangement.Wherein the first terminal Group 21 includes a pair of ground terminal 20a, a pair of additional terminal 20b, a pair of power source terminals 20c, an inspection terminal 20d（CC1, To the function of detecting the function of positive anti-plug with recognize CABLE）And a pair of signal terminal 20f, and inspection terminal 20d and a pair of letters Number terminal 20f is located at the middle part of the first end subgroup 21 in transverse direction, namely between a pair of power source terminals 20c, institute State a pair of ground terminal 20a and be located at outermost, a pair of power source terminals 20c is located at the inspection terminal 20d's or signal terminal 20f Outside, a pair of additional terminal 20b are positioned at adjacently terminal 20a inner side, power supply terminal 20c outside.In the present embodiment, The difference of the Second terminal group 22 and first end subgroup 21 is that Second terminal group 22 is provided with a pair of signal terminal 20f less （Join shown in Fig. 8）.

Each conducting terminal 2, which has, to be protruded into the elastic contact arm 201 of receiving space 120, is fixed on insulating body 1 Terminal containing slot 10 in holding parts 202 and the afterbody 203 that is extended back from holding parts 202, the contact arm 201 is in two rows It is relatively arranged on the upper side and lower side of receiving space 120.

In the present embodiment, the contact arm 201 protrudes into receiving space 120 up or down, and has and be located at it The contact site 2011 of free end, the contact site 2011 is towards the corresponding projection of contact arm 201 in another row, by a pair in succession Connect the tongue piece of device（It is not shown）It is held between the contact site 2011.

The top or bottom of the afterbody 203 of the conducting terminal 2 protrude towards relative afterbody 203 and form clamping part 2031, the clamping part 2031 is set close to the rear end of the conducting terminal 2.The wherein described upper and lower additional terminals being oppositely arranged Sub- 20b 2031 opposite projection of clamping part is with sandwiched therebetween by snap close piece 3, and in the upper and lower of upper and lower both sides and snap close piece 3 Surface abuts against；The 2031 opposite projection of clamping part of remaining conducting terminal 2 is with by circuit board（It is not shown）It is sandwiched therebetween.

Meanwhile the terminal containing slot 10 and the contact site of the conducting terminal 2 are corresponding about 2011, to provide conducting end The space that the contact site 2011 of son 2 outwards floats, facilitates the grafting of butt connector.First end subgroup 21 and Second terminal group 22 Position of the contact site 2011 on insulating body 1 set with respective terminal on the USB Type-C plug connectors of standard Docking site installs identical.

In the present embodiment, ground terminal 20a, additional terminal 20b and the power supply terminal 20c in the first end subgroup 21 Holding parts 202 be connected respectively with the one of holding parts 202 in Second terminal group 22 along the corresponding conducting terminal of short transverse, from And form disjunctor terminal.During assembling, the disjunctor terminal in first, second terminal group 21,22 can be assembled into insulating body 1 simultaneously It is interior, brought great convenience to assembling.Inspection terminal 20d and signal terminal 20f in the first end subgroup 21 with the second end Corresponding conducting terminal in subgroup 22 is independent of one another, so as to form independent terminals.

During assembling, insulating body 1 is fixed in assembling to the first end subgroup 21 from back to front respectively with Second terminal group 22 Corresponding terminal accepting groove 10 in.On wherein described additional terminal 20b contact arm 201 and the slit 123 of the insulating body 1 Lower correspondence, to provide the space that contact arm 201 outwards floats, facilitate the grafting of butt connector.

The front end of contact arm 201 of the ground terminal 20a and power supply terminal 20c are with arranging together the inspection terminal in terminal group 20d front end is transversely concordant, and the front end of the additional terminal 20b contact arm 201 is protruded out forward beyond with row's terminal group In other terminals front end, namely the additional terminal 20b head extend forwardly beyond with row in other terminals head, So that the additional terminal 20b contact site 2011 and butt-joint socket connector（It is not shown）Hyoplastron rear portion set connect Ground part contact.

The afterbody 203 of the additional terminal 20b extends back and without departing from the rear end face 130 of insulating body 1, remaining The afterbody 203 of conducting terminal extends back and beyond the rear end face 130 so that its clamping part 2031 is exposed to the rear end face 130 rear sides, and be in contact in the rear side of insulating body 1 with the conducting strip on circuit board.

Spacing between a pair of the contact sites 2011 for a pair of additional terminal 20b being oppositely arranged along short transverse is compared with two row ends Subgroup（First, second terminal group）In spacing between the relative contact site 2011 of other any twos it is big, in two row's terminal groups A pair the be oppositely arranged ground terminal 20a contact site 2011 between spacing and a pair of power source terminals for being oppositely arranged Spacing between 20c contact site 2011 is identical.

The snap close piece 3 is metal material, and in the present embodiment, the snap close piece 3 includes fixed part 31, self-fixed department 31 The lock catch arm 32 and self-fixed department 31 extended forward extends back for being welded in circuit board（It is not shown）On leg 33, from And snap close piece 3 is caused to have earthing effect concurrently.The fixed part 31 of the snap close piece 3 is overall in the strip-like design extended laterally, and is Bilateral symmetry, the lock catch arm 32 extend in the same direction from the both sides of fixed part 31 form in pairs, the front side of fixed part 31 Extension forms a pair of linking arms 34 forward, and the pair of linking arm 34 is spaced apart from each other in transverse direction, and positioned at two locks Between buckle arm 32；Meanwhile each linking arm 34 is also spaced apart between lock catch arm 32 adjacent thereto.

The lock catch arm 32 is transversely arranged at the outside of the conducting terminal 2, and each lock catch arm 32 has with consolidating Determine the cantilever 321 of the connection of portion 31 and be arranged at the snap-lock projections 322 of the end of cantilever 321, on the lock catch arm 32 being arranged in pairs 322 opposite projection of snap-lock projections.The fixed part 31 of the snap close piece 3 is fixed in the installation portion 13 of the insulating body 1, institute Lock catch arm 32 is stated to protrude into receiving space 120, and along the vertical direction between first, second terminal group 21,22.

When the snap close piece 3 is assembled in insulating body 1 from back to front, the lock catch arm 32 inserts insulation from back to front In the corresponding fluting 14 of the both sides of body 1, and the front portion of cantilever 321 is exposed in receiving space 120 to be locked with butt connector Button fixing.The fixed part 31 is inserted and is positioned at the front portion of the storage tank 134, and circuit board is inserted and is limited in described accommodating The rear portion of groove 134.The leg 33 is exposed to the rear side of mounting surface 130 of the insulating body 1, with the circuit board（Do not scheme Show）Machinery and electric connection, as a result, snap close piece 3 can not only latch butt connector, while also have earthing effect concurrently.Often One linking arm 34 is folded between the clamping part 2031 of the corresponding opposite projections of additional terminal 20b of a pair be oppositely arranged, and Formed machinery and electric connection, and then the effect of electromagnetism interference, strengthen the EMC of electric connector（Electro Magnetic Compatibility） Performance, and the welding of additional terminal 20b and circuit board can be saved.

The front end of the shielding casing 4 has the interface frame, mating frame mouth of ellipse, and it is connected with the USB Type-C plugs of standard The interface frame, mating frame mouth of device is consistent, coordinates for the positive and negative insertion with butt-joint socket connector, has the applicable use of positive anti-plug just Prompt sexual clorminance.The shielding casing 4 has frame 41 and from frame 41 projection and a pair of extension being oppositely arranged backward 42, the extension 42 is the roof and bottom wall rear end part of the shielding casing 4, and each extension 42 is bent towards its inner side Provided with a pair of shell fragments 421, wherein an extension 42 also has the breach 422 being located therein in transverse direction, the breach 422 It is recessed forward from the rear end of shielding casing 4；In other embodiments, also can be on a pair of extensions 42 of shielding casing 4 The breach 422 corresponding to opening up.The shielding casing 4 also has the company that the extension 42 is connected with the frame 41 Socket part 43, the connecting portion 43 tilt upward extension so that the extension 43 is located at the framework along short transverse from front to back The roof in portion 41 or the outside of bottom wall.The roof and/or bottom wall of the shielding casing 4 are provided with a pair of slits 44, and this is to slit 44 positioned at homonymy the extension 42 in transverse direction on both sides.

The shielding casing 4 is sheathed on the outside of the insulating body 1 from front to back, wherein the frame 41 is sheathed on Outside the main part 11 and docking section 12, the projection 133 is limited in the breach 422.The insertion section 133 is from back to front Insert and be contained in corresponding slit 44, the extension 42 is located at the installation portion 13 of the insulating body 1 along highly respectively Both sides on direction.The contact arm 201 of the additional terminal 20b is described to be in contact with the earthing member on butt connector The shell fragment 421 of shielding casing 4 stretches into the accepting hole 131 of the insulating body 1 respectively inwards.

It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can With the other embodiment of understanding.

The a series of tool described in detail only for feasibility embodiment of the present utility model of those listed above Body illustrates that they are simultaneously not used to limit the scope of protection of the utility model, all to be made without departing from the utility model skill spirit Equivalent implementations or change should be included within the scope of protection of the utility model.

Claims (10)

1. a kind of electric connector, it includes insulating body, some conducting terminals being fixed in the insulating body, can latched pair The snap close piece of connecting connector and the shielding casing being coated on outside the insulating body, the insulating body, which has, is available for butt-joint socket The receiving space of connector insertion, the conducting terminal include first end subgroup and the second end set along short transverse in two rows Subgroup, the first end subgroup is corresponding with Second terminal group and reverse arrangement, and the first end subgroup and Second terminal group are equal It is respectively arranged with a pair of ground terminals and a pair of power source terminals, it is characterised in that：Often arrange the terminal group also have be located at respectively A pair of additional terminals between ground terminal and the adjacent power terminal, in two row's terminal groups along short transverse it is corresponding two Individual additional terminal abuts against with the upper and lower surface of the snap close piece respectively.

2. electric connector as claimed in claim 1, it is characterised in that：Each conducting terminal, which has, protrudes into the collecting The elastic contact arm in space, the holding parts being fixed in the insulating body and the afterbody to be extended back from holding parts, it is described to connect Contact arm is relatively arranged on the upper side and lower side of receiving space in two rows.

3. electric connector as claimed in claim 2, it is characterised in that：The afterbody of the additional terminal extend back and without departing from The rear end face of insulating body, the afterbody of remaining conducting terminal extend back and exceed the rear end face.

4. electric connector as claimed in claim 2, it is characterised in that：The top of the afterbody of the conducting terminal or bottom direction Relative afterbody is protruded to form clamping part, and the clamping part is set close to the rear end of the conducting terminal, wherein along short transverse The opposite projection of clamping part for the additional terminal being oppositely arranged is with sandwiched therebetween by the snap close piece.

5. electric connector as claimed in claim 4, it is characterised in that：The snap close piece includes fixed part, self-fixed department forward The lock catch arm and self-fixed department of extension extend back for being welded in the leg on circuit board, and the lock catch arm is in pairs described in Fixed part both sides, which extend in the same direction, to be formed, and extension forms a pair of linking arms, each connection forward on front side of the fixed part of the snap close piece It is spaced apart between arm lock catch arm adjacent thereto.

6. electric connector as claimed in claim 5, it is characterised in that：Each linking arm is folded in a pair be oppositely arranged Between the clamping part of the opposite projection of corresponding additional terminal, and formed machinery and electric connection.

7. electric connector as claimed in claim 6, it is characterised in that：The insulating body have main part, be arranged at it is described Docking section in front of main part and be provided with the main part rear and outstanding installation portion, the installation portion from The storage tank that depression is formed before backward, the storage tank extend in transverse direction, and its it is anterior along the vertical direction on height compared with The height at rear portion is small.

8. electric connector as claimed in claim 7, it is characterised in that：The fixed part inserts and is positioned at the storage tank Front portion, the rear portion power circuit board insertion of the storage tank are simultaneously spacing.

9. electric connector as claimed in claim 7, it is characterised in that：The roof or bottom wall of the shielding casing are narrow provided with a pair Seam, the installation portion have accepting hole from bottom wall to inner side depression that set from its top, and from its roof or the outside pleurapophysis of bottom wall The insertion section stretched, the insertion site on the outside of corresponding accepting hole, insert and be contained in corresponding from back to front by the insertion section Slit in.

10. electric connector as claimed in any one of claims 1-9 wherein, it is characterised in that：A pair in the first end subgroup Additional terminal is connected as one with the corresponding additional terminal in Second terminal group respectively, and the head of the additional terminal extends forward More than the head with other conducting terminals in row.